b31f7d69c5013076e4fcc11937e243087ac6e7b2deace9c055b4397d45634905

Analysis

max time kernel
139s
max time network
132s
platform
windows10_x64
resource
win10v20201028
submitted
12-03-2021 05:44

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General

Target

141o.xlsm
Size

25KB
MD5

5b07166d4e9d0452250371025dc303c3
SHA1

c6d2a19e6f83d20978332db21c56e7f15c8647f4
SHA256

b31f7d69c5013076e4fcc11937e243087ac6e7b2deace9c055b4397d45634905
SHA512

a772af4768af5d882bc1098a804bd80314c4b1546e91efed1bbeec4df66dd3066d957d69d753461babf7b7de0892b52d0ac24abcda7196b66f92b8bf0e210a62

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

740 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\141o.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:740

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/740-2-0x00007FFD4E120000-0x00007FFD4E130000-memory.dmp

Filesize
64KB

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memory/740-3-0x00007FFD4E120000-0x00007FFD4E130000-memory.dmp

Filesize
64KB

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memory/740-4-0x00007FFD4E120000-0x00007FFD4E130000-memory.dmp

Filesize
64KB

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memory/740-5-0x00007FFD4E120000-0x00007FFD4E130000-memory.dmp

Filesize
64KB

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memory/740-6-0x00007FFD71300000-0x00007FFD71937000-memory.dmp

Filesize
6.2MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads